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This data was compiled for the Colorado Oil and Gas Conservation Commission in response to SB181. This layer may contain interim updates by CPW and may not represent features approved by the commission. |
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This data was compiled for the Colorado Oil and Gas Conservation Commission in response to SB181. This layer may contain interim updates by CPW and may not represent features approved by the commission. |
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Colorado Parks and Wildlife Biologists, District Wildlife Managers, and Researchers. |
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5000 |
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[] |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN><SPAN>BaldEagleRoostSite is an ESRI SDE Feature Class showing roost sites and communal roost sites for Bald Eagle (Haliaeetus leucocephalus) in Colorado. </SPAN></SPAN></P><P><SPAN>Roost sites are defined as </SPAN><SPAN>a 0.25 mile buffer zone around </SPAN><SPAN>groups of or individual trees that provide diurnal and/or nocturnal perches for less than 15 wintering bald eagles in Colorado; these trees are usually the tallest available trees in the wintering area and are primarily located in riparian habitats. For SB181 this feature class is buffered an additional 0.25 miles to meet the defined 0.5 mile buffer.</SPAN></P><P><SPAN>Communal Roost Sites are defined as groups of or individual trees that provide diurnal and/or nocturnal perches for more than 15 wintering bald eagles; these trees are usually the tallest available trees in the wintering area. For SB181 this feature class is buffered 0.5 miles. </SPAN></P><P><SPAN>This information was derived from field personnel. A variety of data capture techniques were used including drawing on mylar overlays at 1:50,000 scale USGS county mapsheets and implementation of the SmartBoard Interactive Whiteboard using stand-up, real-time digitizing at various scales (Cowardin, M., M. Flenner. March 2003. Maximizing Mapping Resources. GeoWorld 16(3):32-35).</SPAN></P><P><SPAN /></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This wildlife distribution map is a product and property of Colorado Parks and Wildlife, a division of the Colorado Department of Natural Resources. Care should be taken in interpreting these data. Written documents may accompany this map and should be referenced. The information portrayed on these maps should not replace field studies necessary for more localized planning efforts. The data are gathered at a variety of scales; discrepancies may become apparent at larger scales. The areas portrayed here are graphic representations of phenomena that are difficult to reduce to two dimensions. Animal distributions are fluid; animal populations and their habitats are dynamic.</SPAN></P></DIV></DIV></DIV> |
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| title:
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Bald Eagle Roosts |
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| tags:
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["Wildlife","Distribution","Colorado","Bald Eagle","Communal Roost","Roosts","SB181","309E1"] |
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en-US |
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150000000 |
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